OSCP

1️⃣ Practical Tools 📜Netcat tcp , udp protocol 사용 Connecting tcp/udp port nc -nv 10.11.0.22 4444 Listening on a TCP/UDP Port nc -nlvp 4444 Transferring Files w/ Netcat nc -nlvp 4444 > incoming.exe nc -nv 10.11.0.22 4444 < /usr/share/windows-resources/binaries/wget.exe 📜Socat Connecting socat - TCP4:<remote server’s ip address>:80 Listening sudo socat TCP4-LISTEN:443 STDOUT File Transfers sudo socat TCP4-LISTEN:443,fork file:secret_passwords.txt 📜Powershell and powercat 📜Wireshark 📜Tcpdump

1️⃣ linux 필수 Command 📜Man Pages man 📜apropos apropos 📜Listing Files ls -al 📜Moving Around cd pwd 📜Creating Directories mkdir mkdir module one cd module\ one/ mkdir -p 📜Finding Files echo which locate find 📜Managing Kali Linux Services systemctl SSH Service sudo systemctl start ssh (ssh 시작) sudo ss -antlp | grep sshd (ssh 구동 확인) sudo systemctl enable ssh (부팅시 ssh 실행) HTTP service sudo systemctl start apache2 sudo ss -antlp | grep apache...

1️⃣ Active Directory Cheatsheet Perform user hunting to track down where users are logged into in the network - find users that are members of high-value groups. Dump credentials and/or obtain Kerberos tickets. Gain access to the user’s machine using creds/ticket. (Possibly) escalate privileges in the machine. Repeat steps above until you have administrative privileges in the Domain Controller. 📜AD Enumeration - Users / Groups / Computers 상위 권한을 가진 user 찾기 메서드 설명 onCreate() 액티비티 생성 시 호출, 화면에 보이는 뷰의 일반적인 상태를 설정 onStart() 액티비티가 사용자에게 표시되기 직전에 호출 onResume() 액티비티가 사용자와 상호작용 하기 전에 호출 onPause() 시스템이 다른 액티비티를 재개하지 직전에 호출 onStop() 액티비티가 더이상 사용자에게 표시되지 않을 때 호출 onDestroy() 액티비티 소멸 전에 호출(마지막 호출) 📜**액티비티 Flow !...